A vectorised function to calculate the UKELD score using US units for bilirubin and creatinine.
ukeld_US(INR, bili, creat, Na)
UKELD score
Reference: Barber KM, Madden S, Allen J, et al. Elective liver transplant list mortality: development of a United Kingdom end-stage liver disease score. Transplantation 2011; 92(4):469-76.
ukeld_US(INR = 2.0, bili = 1.8, creat = 170, Na = 130)
#> [1] 35.64362